import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;

import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;


public class SortingAlgo {

	JFrame mainWindow;

	@SuppressWarnings("deprecation")
	public SortingAlgo(){
		mainWindow = new JFrame();
		mainWindow.setSize(800,600);
		mainWindow.setLayout(new FlowLayout());

		JPanel panel = new JPanel();
		panel.setPreferredSize(new Dimension(200,600));
		panel.setBackground(Color.blue);

		mainWindow.add(panel);
		mainWindow.setVisible(true);

		//JButton
	}

	public String function(String s) {
		return s;
	}
	public static void main(String[] args) {
		SortingAlgo a = new SortingAlgo();
		String s = a.function("s");
		JOptionPane.showMessageDialog(null, s);

	}

}